Combining Texts

Ideas for 'The Sayings of Confucius', 'Logical Necessity' and 'Lectures 1930-32 (student notes)'

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6 ideas

10. Modality / A. Necessity / 3. Types of Necessity

14532

A distinctive type of necessity is found in logical consequence [Rumfitt, by Hale/Hoffmann,A]

10. Modality / A. Necessity / 6. Logical Necessity

12200

A logically necessary statement need not be a priori, as it could be unknowable [Rumfitt]

12193

Logical necessity is when 'necessarily A' implies 'not-A is contradictory' [Rumfitt]

12202

Narrow non-modal logical necessity may be metaphysical, but real logical necessity is not [Rumfitt]

10. Modality / C. Sources of Modality / 3. Necessity by Convention

18726

For each necessity in the world there is an arbitrary rule of language [Wittgenstein]

10. Modality / E. Possible worlds / 1. Possible Worlds / e. Against possible worlds

12203

If a world is a fully determinate way things could have been, can anyone consider such a thing? [Rumfitt]